Crystalline mesoporous transition metal oxides: hard-templating synthesis and application in environmental catalysis |
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Authors: | Ma Zhen Bei Zhou Yu Ren |
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Institution: | 1. Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP3), Department of Environmental Science and Engineering, Fudan University, Shanghai, 200433, China 2. Shenhua Group, Future Science and Technology City, Energy Storage Center, National Institute of Clean-and-Low-Carbon Energy, Beijing, 102209, China
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Abstract: | Mesoporous silicas such as MCM-41 and SBA-15 possess high surface areas, ordered nanopores, and excellent thermal stability, and have been often used as catalyst supports. Although mesoporous metal oxides have lower surface areas compared to mesoporous silicas, they generally have more diversified functionalities. Mesoporous metal oxides can be synthesized via a soft-templating or hard-templating approach, and these materials have recently found some applications in environmental catalysis, such as CO oxidation, N2O decomposition, and elimination of organic pollutants. In this review, we summarize the synthesis of mesoporous transition metal oxides using mesoporous silicas as hard templates, highlight the application of these materials in environmental catalysis, and furnish some prospects for future development. |
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